obama will head to the gulf coast region wrecked by hurricane isaac. flooding is widespread throughout louisiana, mississippi, alabama, up to 20 inches in some spots of rain. the new levee system in new orleans held up fine, but many of the lower patients around the big easy are in -- parishes around the big easy are in danger of a dam break. >> we pump it out the front, it comes in the backdoor. we pump it out the back it, comes in the front door. there's no place to send it. >> our lives are at stake here. >> republican presidential nominee mitt romney and his wife ann visited the area earlier. president obama plans to tour the damage monday. >>> the remnants from isaac could have an impact on our holiday weekend. gary mcgrady has the details. >> we have been under high pressure especially today where we didn't really have a cloud in the sky and temperatures made it well into the mid- to upper 90s for just about everybody, but lurking back to the west of us this big storm system formerly known isaac, a tropical storm, then became a hurricane, then back to tropical storm. earlier this